linux-imx

ASoC: twl6040: Remove leftover code from hs/hf ramp implementation

The code to do the ramp has been removed a long time ago. Remove the
remaining code as well since this is not needed.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>